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HelicopterEngines Plugs Mufflers Fuel › OS 50 Hyper field reports wanted
12-10-2004 11:35 PM  13 years agoPost 1
A. Bundy

rrElite Veteran

Aurora,IL. 30W/SW of Chicago

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I've read up on some old posts.If you have any new or additional input on the hyper power vs. the shx50 ,I would like to hear it.I need a new motor for my R50.

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12-10-2004 11:47 PM  13 years agoPost 2
Raptor Rulezzz

rrKey Veteran

Rockanje, Zuid-Holland - The Netherlands

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I`ve flown one (owned by a friend, I did the running in and adjusting the needles for him) a lot and I like it.. not THAT much better or different from the "old" OS50 but it feels to have a bit more overall power and it looks very nice.

I'm getting one to replace my "old" OS50.... does that convince you?

Cheers,

Rich



Proud Member of Team QuickUK, Team Duralite & Sponsored by V-blades & 4rc.nl

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12-10-2004 11:50 PM  13 years agoPost 3
dkshema

rrMaster

Cedar Rapids, IA

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I'm curious about the rear bearing. Since it's the same engine, with only a new head and carb, is the rear bearing still falling apart on this engine?


Dave

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12-11-2004 12:58 AM  13 years agoPost 4
Heli88

rrKey Veteran

Clarkston, MI

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Not to open a can of worms here but, I got caught up in the bearing failure hype. I went ahead and ordered new bearings in anticipation of needing new ones after flying for about 8 gallons in the last few months. When I opened up engine the other day, it looked just the same as when it was new. I just drain the fuel out of it after flight and put it away. I only use after run oil at the end of the flying season.

I have the bearings if it does fail, but I doubt I'll need them for a long time. I'm sure there have been failures in the past but the hundreds and hundreds that don't fail are just not talked about. YMMV.

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12-11-2004 01:16 AM  13 years agoPost 5
dkshema

rrMaster

Cedar Rapids, IA

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Heli88 --

It wasn't hype. I thought it was, too, until it happened to me. It was real. I was without my OS 50 for about three weeks this past fall as the rear bearing fell apart and OS had to wait on backordered parts.

Some people got lucky, others, like me, didn't. Consider yourself lucky. Maybe you should go out and buy a Powerball Ticket tonight.

Dave

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12-11-2004 07:45 AM  13 years agoPost 6
Gearhead

rrMaster

Vt

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I put a 60B on my older OS 50 and the power increase was quite good and the motor smoothed out a lot, but with the larger 60B carb I lost a little torque and throttle response around mid stick, so I added a large Weston 50 pipe, and I got my torque back along with even more power (all on 20%), (after 2 summers I burned that motor up on less than 1 gallon of 30%),,,

so I bought a Hyper and put my 60B and Weston pipe on it (20%), and it has even more power than my older motor that was setup the same way (in fact my Hyper's top speed is much faster than my older motor that was setup the same way, "same carb same pipe"), I feel the new head does produce more power !!

Jim

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12-11-2004 08:49 AM  13 years agoPost 7
Rappy da Raptor

rrVeteran

Dorset

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Im testing my hyper today. I will post later on what i think about it.

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12-11-2004 09:32 AM  13 years agoPost 8
raptorheli2

rrElite Veteran

rip off britain and no changing it

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i've got some time on my hyper now. also had a good sxh 50 before hand. so the hyper would need to go some to be better.

upto now i would say the hyper uses less fuel than the old 50. has slightly more power. i have a rich spot in mid range i can't shift just now but the motor is still quite now (30 flights tops) so i'll wait untill i put another gallon through it before worrying about it. better rich than lean.

the bearings i can't comment on. i never had problems before and if i have problems now it's OS's problem for 2 years. so i'm not bothered about that either.

i use magnum 20%, hatori 544 muffler, OS8. looks to be an excellent combo.

cheers


www.waterfoothelis.com

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12-11-2004 09:33 AM  13 years agoPost 9
New Jedi

rrNovice

Chicago

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can i use my os50 crank on the 50Hyper...cause i modifed the crank web already....?

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12-11-2004 03:19 PM  13 years agoPost 10
dkshema

rrMaster

Cedar Rapids, IA

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NewJedi -

The ONLY difference between the original 50 SX-H and the New Hyper is the HEAD and the CARB. Everything else is the same (go check the parts number listings between the two engines).Your old crank with the mod should drop right in, no problem.

Dave

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12-11-2004 07:03 PM  13 years agoPost 11
BarracudaHockey

rrMaster

Jacksonville FL

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I only use after run oil at the end of the flying season.
Our flying season ends Dec 31st, starts up again Jan 1st

Well with a few hurricane breaks.

Andy
AMA 77227
http://www.jaxrc.com

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12-11-2004 07:05 PM  13 years agoPost 12
Heli88

rrKey Veteran

Clarkston, MI

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Don't rub it in!

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12-11-2004 07:31 PM  13 years agoPost 13
Dorset Boy

rrApprentice

Dorset England

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Used our hyper for the first time to day
nothing but good things to say about it.
well done OS more like this one please!!

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12-11-2004 10:09 PM  13 years agoPost 14
Gearhead

rrMaster

Vt

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"Is not power a function of torque and do we not run at a constant rpm?
Maybe you lost torque at spool-up or changed your rotor speed."


yes, power is a function of torque, I didn't say it wasn't, any given motor has a power band that can be manipulated buy deferent sizes of carbs, (you should know that) (manipulated ~~2 a : to manage or utilize skillfully b : to control or play upon by artful, unfair, or insidious means especially to one's own advantage
3 : to change by artful or unfair means so as to serve one's purpose),,,

yes, we do want to run a constant head speed, but a smooth motor will produce a smoother flying heli, so ideally "I" would want a smoother motor with a more constant head speed,,,

yes, as I said I did loose low-end torque, so I did loose torque as I spooled up because of the larger carb, and as I said when I mounted the Weston pipe I got my low-end torque back.

Jim

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12-12-2004 12:13 AM  13 years agoPost 15
Toad

rrApprentice

Sandy, Utah

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I flew my new Hyper today, First run. Factory Settings on the Needles , didnt touch the low end adjustment. . The engine started first try, idled, took the heli to the lift off area, thrtle up, into a hover, then into forward flight. the engine didnt even hint at a sputter or a bog for it's first tank. it was very slightly rich, lean enough for a few rolls and loops a few flips, I didnt trust it enough yet to invert it for a long period like a hover, next tank I will. upon aproach to landing, it came right off the pipe on the fast decent, I was very Pleased with it. I felt it had more in it than the previous 3 other OS 50's I have owned and flown a bit. I really like this engine. oh, the fuel used was cp30. So for first attemp, the engine gave me no BS at all, was very friendly.

*****

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12-12-2004 10:36 AM  13 years agoPost 16
Raptor Rulezzz

rrKey Veteran

Rockanje, Zuid-Holland - The Netherlands

My Posts: All  Forum  Topic

I'm curious about the rear bearing. Since it's the same engine, with only a new head and carb, is the rear bearing still falling apart on this engine?
I've been flying the original OS50 for 20+ gallons now and still no bearing problems... I reccon the Hyper is just as good

ahhh wel, it must be me

Cheers,

Rich



Proud Member of Team QuickUK, Team Duralite & Sponsored by V-blades & 4rc.nl

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12-12-2004 03:58 PM  13 years agoPost 17
Toad

rrApprentice

Sandy, Utah

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My first 50 I ran over 40 gallons thru, my secound about 10, my third less than 5, all three of these were sold or traded off, I never had a brg problem with any. I am sure this Hyper version will give just as good of service, I have to dissagree with the 150deg cold break in, as I know for optimum performance you want the engine running in its peak rpm slightly rich. Somewhere between 200-215 seems to be the spot for this engine. On my pylon racing engines, if you didnt break it in at operating temp and a bit rich, you will end up with a mild or weak running engine. I have found that if a person uses the factory settings in most cases, and works the motor for a few seconds of time throughout the first tank, as in dont baby it, but be on the rich side slightly, you will end up with a strong, long lasting engine. Just my thoughts on the matter. Just run it a bit rich, work it a little on the first tank, then fly normal after that, still a tad rich, lean it out on the 4-5 tank. the thing will be happy.

*****

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12-13-2004 05:49 AM  13 years agoPost 18
RCHeliJim

rrElite Veteran

Orem, UT USA

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Mine is completely stock, unmodded. Have about a gallon through it and it runs nice and cool. Great power, and the tuning has been great. Also my run times are very close to what I had my OS 32. I definitely recommend the Hyper as a good option.



Go Fly, Have Fun!!
-Team Quick UK

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01-02-2005 04:40 PM  13 years agoPost 19
drmgcm

rrApprentice

Anywhere

My Posts: All  Forum  Topic

Hyper 50
Just a note from myself in the caribbean, i have about 6 gallons through this engine now, and all i can say is that it's a fantastic engine, a little rich in the middle but solid and totally reliable to the max. I would never go back to the old OS 50

All the best

Dmac

IRCHA: 2528 AMA: 849513 R50V2, OS 50 Hyper, MPII, GY601, TJPro, 9CHP & Cool Power 30%

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01-02-2005 04:42 PM  13 years agoPost 20
drmgcm

rrApprentice

Anywhere

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Oops meant to update my gear in the profile, anyhow now it is done

Later.

Dmac

IRCHA: 2528 AMA: 849513 R50V2, OS 50 Hyper, MPII, GY601, TJPro, 9CHP & Cool Power 30%

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HelicopterEngines Plugs Mufflers Fuel › OS 50 Hyper field reports wanted
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